Home / 10,183.80-15,278.10-3,258.36

Finding the Fourth Proportional to 10,183.80, 15,278.10 and 3,258.36

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Solution

The fourth proportional to 10,183.80, 15,278.10 and 3,258.36 is: 4,888.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,183.80 : 15,278.10 = 3,258.36 : x
  2. Step 2: Convert to fraction form
    10,183.80/15,278.10 = 3,258.36/x
  3. Step 3: Cross multiply
    10,183.80x = 15,278.10 × 3,258.36
  4. Step 4: Simplify right side
    10,183.80x = 49,781,549.92
  5. Step 5: Solve for x
    x = 49,781,549.92/10,183.80
  6. Step 6: Final answer
    x = 4,888.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.